Gwynne Dyer commentary: Study of war shows war isn’t inevitable

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Friday July 18, 2014 5:19 AM

The 59 skeletons were found in 1964, lying together in a gravesite beside the Nile near what is
now the Egyptian-Sudanese border. They died between 13,000 and 14,000 years ago, and some of them
seemed to have died in battle.

That was big news half a century ago, when most people still believed that organized killing was
an invention of civilization. Now they are back in the news, billed as evidence of the world’s
oldest known battle.

Scientists at Bordeaux University recently re-examined them, and discovered dozens of previously
undetected arrow-impact marks on the bones.
Most of the victims had died in a hail of arrows, killed by an organized force of enemy
archers, and the deaths had occurred over a period of months or even years. So there had been a
prolonged low-level war long before the rise of civilization or even of agriculture.

The people in the graves were ethnically Africans, probably driven down into the Nile valley by
the drying out of what is now the Sahara Desert. We can surmise that their enemies were probably
whites of the Levantine/European/North African stock who lived around the Mediterranean and had
already spread up the Nile.

The war almost certainly was about resources, for it was a time of rapid climate change and food
resources were under great pressure. The two groups were hunters who had efficient weapons, so
technically they could fight a war. But the weapons were not new, and neither were resource crises.
So why didn’t this happen far earlier?

The skeletons of Jebel Sahaba are not telling us that we are capable of killing our own kind.
Everybody knows that, and it’s a skill that we share with our near relatives, the chimpanzees, and
a number of other species. Nor are they just telling us that we are capable of highly organized
mass killing. All of our recorded history is filled with war.

What the graves of Jebel Sahaba are really telling us is that civilization was not the problem —
and perhaps also that we are not doomed to perpetual war.

Raymond Kelly is an anthropologist who studies warfare among pre-civilized groups, and in his
book
Peaceful Societies and the Origins of War, he offers us three eras.

In the first period, our hominid ancestors behaved like chimpanzees still do. If a foraging
party came across a member of a neighboring group near the borders of their territory, they would
kill him
if it was safe to do so — in practice, if they outnumbered him by at least 3-to-1.

This behavior had a cost, however, because it made the borders dangerous. Chimpanzees typically
spend three-quarters of their time in the central third of their territory, and all the rest is
underexploited. So human behavior changed when the development of weapons that can kill at a
distance — spear-throwers, slings, bows and arrows — made the outcome of attack more uncertain.

In this second period, starting around 400,000 years ago, Kelly argues that intergroup violence
fell sharply. Neighboring human groups, made up mainly of nuclear families, worked hard at being
neighborly. At times of seasonal abundance, they would even come together to socialize, trade,
court spouses and perform shared rituals. This fostered trust and peace, and they got to exploit
all of their territory.

The last transformation was driven not by technological change but by the rise of what Kelly
calls “segmental societies” — ones where nuclear families became associated in larger clans that
extended down the generations. This allowed them to mobilize large numbers of warriors for
purposeful raiding.

Now, killing could happen not only at the border, but in dawn attacks on the places where the
neighboring group sleeps. Massacre can be the result, and so can a permanent expansion of the
territory controlled by your own group. Jebel Sahaba, says Kelly, is the first archeological
evidence we have of when this last transformation occurred. War becomes institutionalized in human
societies, and grows as they do.

Welcome to the present, you might say. We all still keep armies, and they are constantly
preparing for wars that may no longer even involve land. But have you noticed that no great power
has fought any other for the past 69 years? That is quite new in our history.

The second transformation, the one that led to about 400,000 years of relative peace, occurred
because attacking your neighbors had become too dangerous. The weapons had got too lethal. It is
possible that we are in the midst of a comparable transformation now, although it must be admitted
that there is still rather a lot of the old behavior around.

Gwynne Dyer is a London-based independent journalist whose articles are published in 45
countries.